Seria ☆ Zipper Case 6 Rings ☆ Zipper Case Refill for 6 Rings, 2 sheets per pack x 4 packs ※ Can be combined with other products (shipping method may change depending on the item). ※ Please feel free to inquire about increasing the quantity, changing the case color, or changing the type of refills. Otacolle Otakatsu Otacolle Otakatsu My Colle Seria Seria Binder Refill Clear Pocket Zipper Case Refill Trading Card Trading Card File Card Case Card Holder Business Card Holder Sleeve Collection Custom Johnny's Idol KPOP #178 File